Iwaki in context: Street-network sprawl trends
Iwaki in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Iwaki plotted against Fukushima and Japan. While Fukushima and Japan both followed a zig-zag trend with an overall increase, Iwaki's new street additions followed a zig-zag trend with an overall increase. Most recently, Iwaki's incremental SNDi rose from 4.83 to 5.27 between 1991-2005 and 2006-2020. In terms of the aggregate network, Iwaki ranked 5th out of 5 cities in Fukushima and 132nd out of 135 in Japan as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 5.27
- Rank in Japan
- 135th of 135
- Rank in Fukushima
- 5th of 5
Entire Network (Aggregate)
- SNDi value
- 3.5
- Rank in Japan
- 132nd of 135
- Rank in Fukushima
- 5th of 5
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Bhadravati, India
- Bracknell, United Kingdom
- Zhijiang, China
- Nazira, India
- Ninghua, China
- Piatra Neamț, Romania
In new street additions, Iwaki and Bhadravati both fluctuated in its street-construction patterns, while Nazira fluctuated in its street-construction patterns. For the full network, Iwaki and Bhadravati both became progressively more disconnected, while Nazira became progressively more connected. Iwaki and Bhadravati have been converging in their street-network character since 1975.